<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'ajaxtest.jsp' starting page</title>
    <script type='text/javascript' src="<%=basePath %>/jquery/jquery-1.4.2.js"></script>
    
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    This is my JSP page. <br>
  </body>
  
  <script type="text/javascript">
  

  function getUsernameInfo(username){
		
		$.getJSON("checkusername.action?username=" + username, function(data){ 
			alert(data.responseText);
			if(data != null){
				//$('#usernameinfo').html=data;
	  		}
		});

	
	}

  getUsernameInfo('aaa');
  
  </script>
</html>
